The Municipality of Kostanjevica na Krki (pronounced [kɔˈstaːnjɛʋitsa na ˈkəɾki] ^ⓘ; Slovene: Občina Kostanjevica na Krki) is a municipality in the traditional Lower Carniola region of southern Slovenia. The seat of the municipality is the town of Kostanjevica na Krki. It is part of the Lower Sava Statistical Region.^[2] It is located in the northern foothills of the Gorjanci Hills and extends to the border with Croatia.

Municipality of Kostanjevica na Krki Občina Kostanjevica na Krki
Municipality
View of the Municipality of Kostanjevica na Krki from the village of Male Vodenice
Coat of arms
Location of the Municipality of Kostanjevica na Krki in Slovenia
Coordinates: 45°51′N 15°25′E / 45.850°N 15.417°E / 45.850; 15.417
Country	Slovenia
Elevation	150.4 m (493.4 ft)
Population  (2002)[1]
• Total	751
Time zone	UTC+01 (CET)
• Summer (DST)	UTC+02 (CEST)
Postal code	8311
Website	www.kostanjevica.si
Source: Statistical Office of the Republic of Slovenia, census of 2002.